Workshop Technology In a four high rolling mill, there are four rolls out of which Three are working rolls and one is backing up roll Two are working rolls and two are backing up rolls One is working roll and three are backing up rolls All of the four are working rolls Three are working rolls and one is backing up roll Two are working rolls and two are backing up rolls One is working roll and three are backing up rolls All of the four are working rolls ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The temperature produced by oxy-hydrogen flame is about 1800°C 3200°C 2400°C 2100°C 1800°C 3200°C 2400°C 2100°C ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In arc welding, the temperature of heat produced by the electric arc is of the order of 6000°C to 7000°C 3000°C to 4000°C 4000°C to 5000°C 5000°C to 6000°C 6000°C to 7000°C 3000°C to 4000°C 4000°C to 5000°C 5000°C to 6000°C ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In a ________, both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram. Simple die Combination die Compound die Progressive die Simple die Combination die Compound die Progressive die ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The operation of cutting a cylindrical hole in a sheet of metal by the punch and die is called Shearing Piercing Blanking Punching Shearing Piercing Blanking Punching ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Piercing is an operation of cutting A number of holes evenly spaced in a regular pattern on a sheet of metal A cylindrical hole in a sheet of metal by the punch and the die A flat sheet to the desired shape A hole (other than cylindrical) in a sheet of metal by the punch and the die A number of holes evenly spaced in a regular pattern on a sheet of metal A cylindrical hole in a sheet of metal by the punch and the die A flat sheet to the desired shape A hole (other than cylindrical) in a sheet of metal by the punch and the die ANSWER DOWNLOAD EXAMIANS APP
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